<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>目标页面</title>
    <link rel="stylesheet" href="styles.css">
</head>
<body>
    <div id="target-page">
        <h1>详细信息</h1>
        <p>这是详细信息内容。</p>
    </div>

    <div id="popup" class="hidden">
        <p>你是从 <span id="origin-url"></span> 跳转过来的。</p>
        <button id="close-popup">关闭</button>
    </div>

    <script src="script.js"></script>
</body>
</html>